Date: Wed, 25 Jan 2006 11:15:01 +0100 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: arch@freebsd.org, current@freebsd.org Subject: Re: [TEST/REVIEW] CPU accounting patches Message-ID: <28985.1138184101@critter.freebsd.dk> In-Reply-To: Your message of "Wed, 25 Jan 2006 11:09:27 %2B0100." <20060125110927.dabpg50ls8o8gg4k@netchild.homeip.net>
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In message <20060125110927.dabpg50ls8o8gg4k@netchild.homeip.net>, Alexander Lei dinger writes: >Are you going to fix those issues for machines which do power saving tricks >(which may even be useful on servers for some people, not only on laptops), >or do you not intend to further work on this besides the patches you present >here? My plan is to add some code to measure and record the maximum "cpu_tick" frequency we see, and use that to normalize the cpu accounting. That way, the user/system time reported will get units of "cpu seconds if the cpu ran full speed". -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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